Constantius II. AE follis. 328-329 AD. Siscia. 

FL IVL CONSTANTIVS NOB C, laureate, draped, cuirassed bust left
PROVIDEN-TIAE CAESS, campgate, 7 layers with dots in 
top *and* in bottom layer, 2 turrets, no doors. 

Mintmark Delta SIS double crescent

RIC VII Siscia 217, rated C3

Contributed by George Clegg (biggyg2), March, 2010